/**
 * @file hello.cpp
 * @author 张奕欣 3190105655 (3190105655@zju.edu.cn)
 * @brief 
 * @version 0.1
 * @date 2022-11-10
 * 
 * @copyright Copyright (c) 2022
 * 
 */

#include <iostream>
using namespace std;

int main() 
{
    /**
     * @brief 
     * 直接用cout输出hello world
     */
    cout << "Hello World!"<< endl;
    return 0;
}
